Why doesn't Django support managing Raw SQL changes using migration system like models

I have an problem that I wanted to solve recently using a Postgres Trigger + Procedure that I do not want to do via Signals or within Python itself.

I want to make a log which when an entry is created the result is applied to a row. We need the log to be the source of truth and I don't want to write a whole async system using something like Kafka or whatever everyone recommends.

The issue here is that I need to iterate on the procedure which updates the rows as features come along and make it easy for other developers to find/read/etc.

Django only allows storing things like this as RawSql migration commands inside the migrations folder but this App already has 76 migrations and I think it's probably unreasonable for me to assume a normal django developer will think to read all those migrations without running in to some problem with my triggers. Not to mention the main block of sql will need to be copy and pasted between changes to new migrations... etc.

This seems like something the migration system should support somehow.

I found a package which seems to do this, but it appears unmaintained (little to no activity): https://github.com/klichukb/django-migrate-sql

I think it'd be a nice feature for Django to support maintaining a set of Raw SQL via the migration system so more advanced features of databases can be used.

For instance in Postgres setting up other things like full text search and special search indexes were difficult in 1.8. I realize it's easier since 1.10 to add a full text search index, but adding that feature is much more difficult than the RawSQL migrations we did to implement adding the index before.

Making it easy to manage triggers and procedures via the migration system is very difficult, but I think supporting RawSQL items which are managed via migrations would be relatively easy to implement and add a lot of value.

I'm posting this for two reasons: 1) I think it's a good idea and 2) to let others show me where I'm missing something or why this wouldn't be a good fit for Django.

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